Top of the list is Mitsubishi's powered jellybean, the "i" electric car. The looks might not be to all tastes but with an average of 112 MPGe, it currently ranks top on the EPA's leaderboard of fuel efficiency.

The Mitsubishi i might be at the top but for many drivers, the Leaf will make more sense. It's larger, more refined, better to drive and with an official range of 73 miles to the Mitsubishi's 62, more usable on a day-to-day basis.

The Volt gets two ratings because it effectively has two separate modes of running. EPA gives an all-electric range of 35 miles (GM claims between 40-50 miles) and 94 MPGe, but once the gasoline generator kicks in range extends to 344 miles and MPG decreases to 37.

The Fortwo electric drive is in limbo at the moment as we wait for the 2012 model unveiled at the Frankfurt Auto Show, promising greater speed and greater range. The 2011 model has a range of 63 miles, and manages to drive better than the regular gasoline Smart.

A list of high-MPG vehicles wouldn't be complete without the Prius and at 50 MPG combined it's still one of the most efficient vehicles on the road. It's also good to drive, seats 5 people and Toyota has a proven track record in hybrid technology, meaning reassuring reliability.